1: (2 5 16)

(0 19 8)(1 6 4)(2)(3 17 14)(5 20 16 9 7)(10 15 13)(11 18 12)

2: (1 6 4)

(0 19 8)(1)(2)(3 17 14)(4)(5 20 16 9 7)(6)(10 15 13)(11 18 12)

3: (5 20 7)

(0 19 8)(1)(2)(3 17 14)(4)(5)(6)(7 16 9)(10 15 13)(11 18 12)(20)

4: (0 19 8)

(0)(1)(2)(3 17 14)(4)(5)(6)(7 16 9)(8)(10 15 13)(11 18 12)(19)(20)